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ssh: set a valid locale in the ssh-serve process
In the SSH client configuration, the setting 'SendEnv' could contain variables
like 'LANG', 'LC_ALL', and others. This causes these environment variables
(with their values at the client-side) to be set in the server. However, not
every locale setting valid in the client, is also valid on the server.
This could lead to the error:
'locale.Error: unsupported locale setting'
when 'from mercurial import archival, merge as hg_merge, patch, ui' is
called.
Fix this problem by providing an ini setting 'ssh_locale' that the user can
set correctly, and which will be used to set LC_ALL and LANGUAGE in the
'kallithea-cli ssh-serve' process.
If an environment variable LC_ALL is set, it takes precedence over all other
'LC_xxx' variables, as well as over LANG. So, setting LC_ALL ensures that no
user setting of 'LC_xxx' or 'LANG' could influence ssh-serve badly.
There is one environment variable that might overrule LC_ALL, specifically
for showing messages: 'LANGUAGE'. GNU gettext lets it take precedence over
LC_ALL [1]:
"GNU gettext gives preference to LANGUAGE over LC_ALL and LANG for the
purpose of message handling"
So, also set LANGUAGE to the same value as we set LC_ALL to.
The principle of setting a specific locale in the server process to fix this
error, was first proposed by Dominik Ruf.
[1] https://www.gnu.org/software/gettext/manual/html_node/The-LANGUAGE-variable.html#The-LANGUAGE-variable
In the SSH client configuration, the setting 'SendEnv' could contain variables
like 'LANG', 'LC_ALL', and others. This causes these environment variables
(with their values at the client-side) to be set in the server. However, not
every locale setting valid in the client, is also valid on the server.
This could lead to the error:
'locale.Error: unsupported locale setting'
when 'from mercurial import archival, merge as hg_merge, patch, ui' is
called.
Fix this problem by providing an ini setting 'ssh_locale' that the user can
set correctly, and which will be used to set LC_ALL and LANGUAGE in the
'kallithea-cli ssh-serve' process.
If an environment variable LC_ALL is set, it takes precedence over all other
'LC_xxx' variables, as well as over LANG. So, setting LC_ALL ensures that no
user setting of 'LC_xxx' or 'LANG' could influence ssh-serve badly.
There is one environment variable that might overrule LC_ALL, specifically
for showing messages: 'LANGUAGE'. GNU gettext lets it take precedence over
LC_ALL [1]:
"GNU gettext gives preference to LANGUAGE over LC_ALL and LANG for the
purpose of message handling"
So, also set LANGUAGE to the same value as we set LC_ALL to.
The principle of setting a specific locale in the server process to fix this
error, was first proposed by Dominik Ruf.
[1] https://www.gnu.org/software/gettext/manual/html_node/The-LANGUAGE-variable.html#The-LANGUAGE-variable
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REM Command file for Sphinx documentation
if "%SPHINXBUILD%" == "" (
set SPHINXBUILD=sphinx-build
)
set BUILDDIR=_build
set ALLSPHINXOPTS=-d %BUILDDIR%/doctrees %SPHINXOPTS% .
if NOT "%PAPER%" == "" (
set ALLSPHINXOPTS=-D latex_paper_size=%PAPER% %ALLSPHINXOPTS%
)
if "%1" == "" goto help
if "%1" == "help" (
:help
echo.Please use `make ^<target^>` where ^<target^> is one of
echo. html to make standalone HTML files
echo. dirhtml to make HTML files named index.html in directories
echo. singlehtml to make a single large HTML file
echo. pickle to make pickle files
echo. json to make JSON files
echo. htmlhelp to make HTML files and a HTML help project
echo. qthelp to make HTML files and a qthelp project
echo. devhelp to make HTML files and a Devhelp project
echo. epub to make an epub
echo. latex to make LaTeX files, you can set PAPER=a4 or PAPER=letter
echo. text to make text files
echo. man to make manual pages
echo. changes to make an overview over all changed/added/deprecated items
echo. linkcheck to check all external links for integrity
echo. doctest to run all doctests embedded in the documentation if enabled
goto end
)
if "%1" == "clean" (
for /d %%i in (%BUILDDIR%\*) do rmdir /q /s %%i
del /q /s %BUILDDIR%\*
goto end
)
if "%1" == "html" (
%SPHINXBUILD% -b html %ALLSPHINXOPTS% %BUILDDIR%/html
echo.
echo.Build finished. The HTML pages are in %BUILDDIR%/html.
goto end
)
if "%1" == "dirhtml" (
%SPHINXBUILD% -b dirhtml %ALLSPHINXOPTS% %BUILDDIR%/dirhtml
echo.
echo.Build finished. The HTML pages are in %BUILDDIR%/dirhtml.
goto end
)
if "%1" == "singlehtml" (
%SPHINXBUILD% -b singlehtml %ALLSPHINXOPTS% %BUILDDIR%/singlehtml
echo.
echo.Build finished. The HTML pages are in %BUILDDIR%/singlehtml.
goto end
)
if "%1" == "pickle" (
%SPHINXBUILD% -b pickle %ALLSPHINXOPTS% %BUILDDIR%/pickle
echo.
echo.Build finished; now you can process the pickle files.
goto end
)
if "%1" == "json" (
%SPHINXBUILD% -b json %ALLSPHINXOPTS% %BUILDDIR%/json
echo.
echo.Build finished; now you can process the JSON files.
goto end
)
if "%1" == "htmlhelp" (
%SPHINXBUILD% -b htmlhelp %ALLSPHINXOPTS% %BUILDDIR%/htmlhelp
echo.
echo.Build finished; now you can run HTML Help Workshop with the ^
.hhp project file in %BUILDDIR%/htmlhelp.
goto end
)
if "%1" == "qthelp" (
%SPHINXBUILD% -b qthelp %ALLSPHINXOPTS% %BUILDDIR%/qthelp
echo.
echo.Build finished; now you can run "qcollectiongenerator" with the ^
.qhcp project file in %BUILDDIR%/qthelp, like this:
echo.^> qcollectiongenerator %BUILDDIR%\qthelp\Kallithea.qhcp
echo.To view the help file:
echo.^> assistant -collectionFile %BUILDDIR%\qthelp\Kallithea.ghc
goto end
)
if "%1" == "devhelp" (
%SPHINXBUILD% -b devhelp %ALLSPHINXOPTS% %BUILDDIR%/devhelp
echo.
echo.Build finished.
goto end
)
if "%1" == "epub" (
%SPHINXBUILD% -b epub %ALLSPHINXOPTS% %BUILDDIR%/epub
echo.
echo.Build finished. The epub file is in %BUILDDIR%/epub.
goto end
)
if "%1" == "latex" (
%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
echo.
echo.Build finished; the LaTeX files are in %BUILDDIR%/latex.
goto end
)
if "%1" == "text" (
%SPHINXBUILD% -b text %ALLSPHINXOPTS% %BUILDDIR%/text
echo.
echo.Build finished. The text files are in %BUILDDIR%/text.
goto end
)
if "%1" == "man" (
%SPHINXBUILD% -b man %ALLSPHINXOPTS% %BUILDDIR%/man
echo.
echo.Build finished. The manual pages are in %BUILDDIR%/man.
goto end
)
if "%1" == "changes" (
%SPHINXBUILD% -b changes %ALLSPHINXOPTS% %BUILDDIR%/changes
echo.
echo.The overview file is in %BUILDDIR%/changes.
goto end
)
if "%1" == "linkcheck" (
%SPHINXBUILD% -b linkcheck %ALLSPHINXOPTS% %BUILDDIR%/linkcheck
echo.
echo.Link check complete; look for any errors in the above output ^
or in %BUILDDIR%/linkcheck/output.txt.
goto end
)
if "%1" == "doctest" (
%SPHINXBUILD% -b doctest %ALLSPHINXOPTS% %BUILDDIR%/doctest
echo.
echo.Testing of doctests in the sources finished, look at the ^
results in %BUILDDIR%/doctest/output.txt.
goto end
)
:end
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